結果
| 問題 |
No.961 Vibrant Fillumination
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-12-09 03:33:06 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 206 ms / 5,000 ms |
| コード長 | 4,401 bytes |
| コンパイル時間 | 884 ms |
| コンパイル使用メモリ | 86,820 KB |
| 実行使用メモリ | 10,368 KB |
| 最終ジャッジ日時 | 2024-06-11 06:59:47 |
| 合計ジャッジ時間 | 13,361 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 48 |
ソースコード
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cstring>
#define getchar getchar_unlocked
#define putchar putchar_unlocked
inline int in() {
int n = 0; short c;
while ((c = getchar()) >= '0') n = n * 10 + c - '0';
return n;
}
inline unsigned long long inll() {
unsigned long long n = 0; short c;
while ((c = getchar()) >= '0') n = n * 10 + c - '0';
return n;
}
inline void out(unsigned long long n) {
short res[20], i = 0;
do { res[i++] = n % 10, n /= 10; } while (n);
while (i) putchar(res[--i] + '0');
putchar('\n');
}
const int MAX_N = 50003;
const int MAX_Q = 50003;
struct info {
int lower, upper, color;
info(){}
info(const int _lower, const int _upper, const int _color)
: lower(_lower), upper(_upper), color(_color){}
};
info xborder[2 * MAX_N], yborder[2 * MAX_N];
std::pair<int, int> query[MAX_Q];
unsigned long long h[MAX_N], ans[MAX_Q];
int smx[2 * MAX_N], smy[2 * MAX_N], C[MAX_N];
int N, Q;
void transform_rectangle(){
std::vector<std::vector<int> > tmp(N);
std::vector<int> idX(2 * N, 0), idY(2 * N, 0);
for(int i = 0; i < N; ++i){
int a, b, c, d, e;
std::cin >> a >> b >> c >> d >> e;
++smx[a + 1], ++smx[c + 1], ++smy[b + 1], ++smy[d + 1];
tmp[i] = {a, b, c, d, e};
}
for(int i = 0; i < 2 * N; ++i){
smx[i + 1] += smx[i], smy[i + 1] += smy[i];
}
for(const std::vector<int>& in : tmp){
const int a = smx[in[0]] + idX[in[0]]++;
const int b = smy[in[1]] + idY[in[1]]++;
const int c = smx[in[2]] + idX[in[2]]++;
const int d = smy[in[3]] + idY[in[3]]++;
const int e = in[4];
xborder[a] = {b, d, e}, xborder[c] = {b, d, -e}, yborder[b] = {a, c, e}, yborder[d] = {a, c, -e};
}
}
void transform_query(std::vector<int>& index){
for(int i = 0; i < Q; ++i){
int p, q;
std::cin >> p >> q;
const int x = smx[p + 1] - 1;
const int y = smy[q + 1] - 1;
if(x < 0 || x >= 2 * N - 1 || y < 0 || y >= 2 * N - 1){
// out of range
ans[i] = 0ULL;
}else{
query[i] = {x, y}, index.push_back(i);
}
}
}
int main()
{
std::cin.tie(0);
std::ios::sync_with_stdio(false);
std::cin >> N;
for(int i = 1; i <= N; ++i){
std::cin >> h[i];
}
transform_rectangle();
std::cin >> Q;
std::vector<int> index;
transform_query(index);
const int width = 2 * ceil(sqrt(N));
std::sort(index.begin(), index.end(), [&](const int a, const int b){
const int u = query[a].first / width, v = query[b].first / width;
return (u == v) ? (query[a].second < query[b].second) : (u < v);
});
unsigned long long cur_hash = 0;
int prv = -1, curx = -1, cury = -1;
for(const int id : index){
const int cur = query[id].first / width;
if(prv != cur){
// enter new block
memset(C, 0, sizeof(C)), cur_hash = 0, prv = cur, curx = cur * width - 1, cury = -1;
}
// left
while(curx > query[id].first){
if(xborder[curx].lower <= cury && cury < xborder[curx].upper){
const int c = xborder[curx].color;
if(c > 0){
if(--C[c] == 0) cur_hash ^= h[c];
}else{
if(++C[-c] == 1) cur_hash ^= h[-c];
}
}
--curx;
}
// right
while(curx < query[id].first){
++curx;
if(xborder[curx].lower <= cury && cury < xborder[curx].upper){
const int c = xborder[curx].color;
if(c > 0){
if(++C[c] == 1) cur_hash ^= h[c];
}else{
if(--C[-c] == 0) cur_hash ^= h[-c];
}
}
}
// up
while(cury < query[id].second){
++cury;
if(yborder[cury].lower <= curx && curx < yborder[cury].upper){
const int c = yborder[cury].color;
if(c > 0){
if(++C[c] == 1) cur_hash ^= h[c];
}else{
if(--C[-c] == 0) cur_hash ^= h[-c];
}
}
}
ans[id] = cur_hash;
}
for(int i = 0; i < Q; ++i){
std::cout << ans[i] << "\n";
}
return 0;
}